<template>
  <div class="xtx-cart-page">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>购物车</XtxBreadItem>
      </XtxBread>
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120">
                <XtxCheckbox
                  :modelValue="$store.getters['cart/isCheckAll']"
                  @change="checkAllCart"
                  >全选</XtxCheckbox
                >
              </th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody>
            <tr
              v-for="item in $store.getters['cart/effectiveList']"
              :key="item.skuId"
            >
              <!-- 商品是否选中 -->
              <td>
                <XtxCheckbox
                  :modelValue="item.selected"
                  @change="
                    (val) => {
                      toggleSelected(val, item.skuId);
                    }
                  "
                />
              </td>
              <td>
                <div class="goods">
                  <RouterLink to="/"
                    ><img :src="item.picture" alt=""
                  /></RouterLink>
                  <div>
                    <p class="name ellipsis">
                      {{ item.name }}
                    </p>
                    <!-- 选择规格组件 -->
                    <CartSku
                      :attrsText="item.attrsText"
                      :skuId="item.skuId"
                      @change="
                        (newSku) => {
                          changeSku(newSku, item.skuId);
                        }
                      "
                    />
                    <!-- {{ item.attrsText }} -->
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
                <p>
                  比加入时降价
                  <span class="red">&yen;{{ item.nowPrice - item.price }}</span>
                </p>
              </td>
              <td class="tc">
                <XtxNumbox
                  :modelValue="item.count"
                  @change="
                    (val) => {
                      changeCount(val, item.skuId);
                    }
                  "
                />
              </td>
              <td class="tc">
                <p class="f16 red">&yen;{{ item.nowPrice * item.count }}</p>
              </td>
              <td class="tc">
                <p><a href="javascript:;">移入收藏夹</a></p>
                <p>
                  <a
                    class="green"
                    href="javascript:; "
                    @click="deleteCart(item.skuId)"
                    >删除</a
                  >
                </p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
            <tr v-if="$store.getters['cart/effectiveList'].length === 0">
              <td colspan="6">
                <CartNone />
              </td>
            </tr>
          </tbody>
          <!-- 无效商品 -->
          <tbody v-if="$store.getters['cart/invalidList'].length">
            <tr>
              <td colspan="6"><h3 class="tit">失效商品</h3></td>
            </tr>
            <tr
              v-for="item in $store.getters['cart/invalidList']"
              :key="item.skuId"
            >
              <td><XtxCheckbox style="color: #eee" /></td>
              <td>
                <div class="goods">
                  <RouterLink to="/"
                    ><img :src="item.picture" alt=""
                  /></RouterLink>
                  <div>
                    <p class="name ellipsis">
                      {{ item.name }}
                    </p>
                    <p class="attr">{{ item.attrsText }}</p>
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
              </td>
              <td class="tc">{{ item.count }}</td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice * item.count }}</p>
              </td>
              <td class="tc">
                <p>
                  <a
                    class="green"
                    href="javascript:;"
                    @click="deleteCart(item.skuId)"
                    >删除</a
                  >
                </p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
        </table>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch">
          <XtxCheckbox>全选</XtxCheckbox>
          <a href="javascript:;" @click="batchDeleteCart(false)">删除商品</a>
          <a href="javascript:;">移入收藏夹</a>
          <a href="javascript:;" @click="batchDeleteCart(true)">清空失效商品</a>
        </div>
        <div class="total">
          共 {{ $store.getters["cart/allCount"] }} 件商品，已选择
          {{ $store.getters["cart/selectedTotal"] }}
          件，商品合计：
          <span class="red">¥{{ $store.getters["cart/selectedAmount"] }}</span>
          <XtxButton type="primary" @click="checkout">下单结算</XtxButton>
        </div>
      </div>
      <!-- 猜你喜欢 -->
      <GoodRelevant />
    </div>
  </div>
</template>
<script>
import { useStore } from 'vuex'
import Message from '@/components/Message.js'
import confirm from '@/components/confirm.js'
import CartNone from './components/cart-none'
import CartSku from './components/cart-sku.vue'
import GoodRelevant from '@/views/Goods/components/goods-relevant'
import { useRouter } from 'vue-router'
export default {
  name: 'XtxCartPage',
  components: { GoodRelevant, CartNone, CartSku },
  setup () {
    const store = useStore()
    const router = useRouter()
    // 切换商品的选中
    const toggleSelected = (selected, skuId) => {
      // 调用actions
      store.dispatch('cart/updateCart', { selected, skuId })
    }
    // 修改数量
    const changeCount = (count, skuId) => {
      // 调用actions
      store.dispatch('cart/updateCart', { count, skuId })
    }
    // 全部选中，反选
    const checkAllCart = selected => {
      // 调用actions
      store.dispatch('cart/checkAllCart', selected)
    }
    // 删除商品
    const deleteCart = skuId => {
      confirm({ title: '系统提示', text: '确定要删除吗' }).then(() => {
        // 调用actions
        store.dispatch('cart/deleteCart', skuId)
        Message({ type: 'success', text: '删除成功' })
      }).catch(() => { })
    }
    // 批量删除
    const batchDeleteCart = (isClearInvalidCart = false) => {
      if (store.getters['cart/selectedList'].length === 0) {
        Message({ type: 'error', text: '请选择要删除的商品' })
        return
      }
      confirm({ title: '系统提示', text: `您确定从购物车删除${isClearInvalidCart ? '失效' : '选中'}的商品吗？` }).then(() => {
        // 调用actions
        store.dispatch('cart/batchDeleteCart', isClearInvalidCart)
        Message({ type: 'success', text: '删除成功' })
      }).catch(() => { })
    }

    // 子组件抛出的事件（修改了sku）
    const changeSku = (newSku, oldSkuId) => {
      console.log('changeSku', newSku, oldSkuId)
      // 调用actions
      store.dispatch('cart/updateCartSku', { newSku, oldSkuId })
    }
    // 结算
    const checkout = () => {
      // 判断是否选中
      if (store.getters['cart/selectedList'].length === 0) {
        Message({ type: 'error', text: '请选择要结算的商品' })
        return
      }
      // 是否登录
      if (!store.state.user.profile.token) {
        confirm({ title: '系统提示', text: '现在去登录吗' }).then(() => {
          router.push('/login?return_url=cart')
        }).catch(() => { })
      } else {
        // 跳转路由
        router.push('/member/checkout')
      }
    }

    return { toggleSelected, changeCount, checkAllCart, deleteCart, batchDeleteCart, changeSku, checkout }
  }
}
</script>
<style scoped lang="less">
.tc {
  text-align: center;
  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}
.red {
  color: @priceColor;
}
.green {
  color: @xtxColor;
}
.f16 {
  font-size: 16px;
}
.goods {
  display: flex;
  align-items: center;
  img {
    width: 100px;
    height: 100px;
  }
  > div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;
    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}
.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;
  .xtx-checkbox {
    color: #999;
  }
  .batch {
    a {
      margin-left: 20px;
    }
  }
  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}
.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}
.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;
    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;
      th,
      td {
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;
        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }
      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>
